DROP TABLE IF EXISTS test; CREATE TABLE test ( id bigint(11) unsigned NOT NULL AUTO_INCREMENT, name varchar(100) NOT NULL DEFAULT '', type varchar(100), create_time datetime, PRIMARY KEY (ID) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8; 

测试表2

DROP TABLE IF EXISTS test_hisy; CREATE TABLE test_hisy ( id bigint(11) unsigned NOT NULL AUTO_INCREMENT, name varchar(100) NOT NULL DEFAULT '', type varchar(100), create_time datetime, operation varchar(100) COMMENT '操作类型', PRIMARY KEY (ID) ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8; 

insert触发器

表test新增记录后，将type值为“1”的记录同时插入到test_hisy表中（AFTER INSERT：录入后触发， BEFORE INSERT：录入前触发）

DELIMITER //DROP TRIGGER IF EXISTS t_after_insert_test//CREATE TRIGGER t_after_insert_testAFTER INSERT ON testFOR EACH ROWBEGIN IF new.type='1' THEN insert into test_hisy(name, type, create_time, operation) values(new.name, new.type, new.create_time, 'insert'); END IF;END;//

update触发器

表test修改时，若type值为“2”则将修改前的记录同时插入到test_hisy表中（AFTER UPDATE：修改后触发， BEFORE UPDATE：修改前触发）

DELIMITER //DROP TRIGGER IF EXISTS t_before_update_test//CREATE TRIGGER t_before_update_testBEFORE UPDATE ON testFOR EACH ROWBEGIN IF new.type='2' THEN insert into test_hisy(name, type, create_time, operation) values(old.name, old.type, old.create_time, 'update'); END IF;END;//

delete触发器

表test删除记录前，将删除的记录录入到表test_hisy中（AFTER DELETE：删除后触发， BEFORE DELETE：删除前触发）

DELIMITER //DROP TRIGGER IF EXISTS t_before_delete_test//CREATE TRIGGER t_before_delete_testBEFORE DELETE ON testFOR EACH ROWBEGIN insert into test_hisy(name, type, create_time, operation) values(old.name, old.type, old.create_time, 'delete');END;//